Advertisements
Advertisements
प्रश्न
Define thermal conductivity.
Advertisements
उत्तर
The quantity of heat transferred through a unit length of a material in a direction normal to Unit surface area due to a unit temperature difference under steady-state conditions is known as the thermal conductivity of a material.
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
If two temperatures differ by 25° C on Celsius scale, the difference in temperature on Fahrenheit scale is
Choose the correct option.
If α, β and γ are coefficients of linear, area l and volume expansion of a solid then
Choose the correct option.
Water falls from a hight of 200 m. What is the difference in temperature between the water at the top and bottom of a waterfall given that the specific heat of water is 4200 J kg-1 °C-1?
Define specific heat capacity.
Give the expression for linear thermal expansion.
Give the expression for area thermal expansion.
Write the unit of latent heat capacity.
Explain Calorimetry and derive an expression for final temperature when two thermodynamic systems are mixed.
Discuss various modes of heat transfer.
Explain in detail Newton’s law of cooling.
